<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Bug 1099807 - Intra-level whitespace pairing</title>
  <link rel="stylesheet" href="common.css">
  <style>
    body { font-family: monospace; }
    .container { border: 1px solid blue; margin: 20px; }
  </style>
  <style id="style"></style>
</head>
<body>
  <span id="ref1">12345</span> <span id="ref2">12345 67890</span>
  <div class="container"><ruby><rb>12345</rb> <rb>67890</rb><rt>09876</rt><rt>54321</rt></ruby></div>
  <div class="container"><ruby><rb>12345</rb><rb>67890</rb><rt>09876</rt> <rt>54321</rt></ruby></div>
  <div class="container"><ruby><rb>12345</rb> <rb>67890</rb><rt>09876</rt> <rt>54321</rt></ruby></div>
  <script type="text/javascript">
    var ref1 = document.getElementById('ref1');
    var ref2 = document.getElementById('ref2');
    var style = document.getElementById('style');
    var width1 = ref1.getBoundingClientRect().width + 'px';
    var width2 = ref2.getBoundingClientRect().width + 'px';
    // It changes the width of the containers to test incremental
    // layout with intra-level whitespace columns being pushed and
    // pulled up across a line-break.
    style.textContent = '.container { width: ' + width1 + '; }';
    document.body.offsetHeight;  // force reflow
    style.textContent = '.container { width: ' + width2 + '; }';
    document.body.offsetHeight;  // force reflow
  </script>
</body>
</html>
